#!/usr/bin/env python
# -*- coding: utf-8 mode: python -*- vim:sw=4:sts=4:et:ai:si:sta:fenc=utf-8

u"""%(scriptname)s: Afficher un mail correctement encodé pour son envoi
 
USAGE
    %(scriptname)s [options] [-f from] <subject> recipients... <<<"body" | /usr/sbin/sendmail -i"""

import os, sys
from os import path

from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
from email.header import Header

from ulib.all import *

def display_help():
    uprint(__doc__ % globals())

def run_pyumail():
    options, longoptions = build_options([
        ('h', 'help', "Afficher l'aide"),
        ('f:', 'from=', "Spécifier l'expéditeur"),
        ])
    options, args = get_args(None, options, longoptions)
    mfrom = 'no-reply@univ-reunion.fr'
    subject = None
    mtos = []
    body = None
    for option, value in options:
        if option in ('-h', '--help'):
            display_help()
            sys.exit(0)
        elif option in ('-f', '--from'):
            mfrom = value

    if not args[0:1]: die("Vous devez spécifier le sujet")
    subject = args[0]
    if not args[1:]: die("Vous devez spécifier les destinataires")
    mtos = args[1:]

    lines = BLines()
    lines.readlines(sys.stdin)

    msg = MIMEMultipart()
    #msg.set_charset('utf-8')
    msg['From'] = mfrom
    msg['To'] = ', '.join(mtos)
    msg['Subject'] = Header(subject, 'utf-8')
    if lines:
        body = MIMEText('\n'.join(lines), 'plain')
        body.set_charset('utf-8')
        msg.attach(body)
    
    print msg.as_string()

if __name__ == '__main__':
    run_pyumail()